Recent content by jbs

Thanks, that might well be it - although the pump direction arrows are pointing into the cylinder (on the highest of the three connections on that right hand side) which seemed the wrong way for this. Everything hot water related seems to work so it's likely now old /unused.

It's a Grant Vortex 36/46 Oil Boiler. The heating engineer will visit later this week, so hopefully get some more insight then!

That reply is slightly too cryptic to help unfortunately. Forgetting the aga side, which is purely driven without pumps using hot/cold water difference and can be turned off and isolated with no change to the problematic behaviour. The central heating pump in the basement, even on its lowest...

The house has been empty for a year or more and we've just moved in, so nobody knows the answer to that - we're waiting for our first visit, inspection and service from someone qualified currently but have been trying to work out what the layout is and whether it can ever work correctly as it...

In our new house there is a problem with the central heating system. The header tank regularly overflows when the central heating is on - every few minutes. There is also air in the central heating and the header tank also takes in more water through the valve. The vent from the system into...